Výsledky vyhledávání - "Cuesta, Á M"

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A non-recursive Schur-Decomposition Algorithm for $N$-Dimensional Matrix Equations

Autor: Cuesta, Carlota M., de la Hoz, Francisco

In this paper, we develop an iterative method, based on the Bartels-Stewart algorithm to solve $N$-dimensional matrix equations, that relies on the Schur decomposition of the matrices involved. We remark that, unlike other possible implementations of

Externí odkaz: http://arxiv.org/abs/2412.15840

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Existence of undercompressive travelling waves of a non-local generalised Korteweg-de Vries-Burgers equation

Autor: Achleitner, F., Cuesta, C. M., Diez-Izagirre, X.

We study travelling wave solutions of a generalised Korteweg-de Vries-Burgers equation with a non-local diffusion term and a concave-convex flux. This model equation arises in the analysis of a shallow water flow by performing formal asymptotic expan

Externí odkaz: http://arxiv.org/abs/2412.03209

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Numerical computation of the half Laplacian by means of a fast convolution algorithm

Autor: Cuesta, Carlota M., de la Hoz, Francisco, Girona, Ivan

In this paper, we develop a fast and accurate pseudospectral method to approximate numerically the half Laplacian $(-\Delta)^{1/2}$ of a function on $\mathbb{R}$, which is equivalent to the Hilbert transform of the derivative of the function. The mai

Externí odkaz: http://arxiv.org/abs/2306.05009

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The Old English Gloss to the Lindisfarne Gospels: Language, Author and Context Anglia Book Series Vol. 51 Julia Fernández Cuesta Sara M. Pons-Sanz

Autor: HINES, JOHN

Publikováno v: Medium Ævum, 2017 Jan 01. 86(1), 163-165.

Externí odkaz: https://www.jstor.org/stable/26396511

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Large time behaviour of a conservation law regularised by a Riesz-Feller operator: the sub-critical case

Autor: Cuesta, Carlota M., Diez, Xuban

We study the large time behaviour of the solutions of a non-local regularisation of a scalar conservation law. This regularisation is given by a fractional derivative of order $1+\alpha$, with $\alpha\in(0,1)$, which is a Riesz-Feller operator. The n

Externí odkaz: http://arxiv.org/abs/2302.03981

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A fast convolution method for the fractional Laplacian in $\mathbb{R}$

Autor: Cayama, Jorge, Cuesta, Carlota M., de la Hoz, Francisco, Garcia-Cervera, Carlos J.

In this article, we develop a new method to approximate numerically the fractional Laplacian of functions defined on $\mathbb R$, as well as some more general singular integrals. After mapping $\mathbb R$ into a finite interval, we discretize the int

Externí odkaz: http://arxiv.org/abs/2212.05143

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